Update: 6:10 am. The replacement was completed without incident at 5:40 am. All services are online.
The Internet connection for university servers and the academic/administrative networks will be interrupted for 5-10 minutes between 5:30 and 6:00 AM Friday morning, while a faulty firewall device is replaced.
This outage will affect all outward-facing university services, but will will not affect the residential networks.